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102144 (1999 RA188)
Classification: Main-belt Asteroid          SPK-ID: 2102144
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1545096779459298 5.2619e-08  
a 2.465556286374713 1.5343e-08 au
q 2.084603978609393 1.3356e-07 au
i 6.873694435423572 5.732e-06 deg
node 1.296181616920824 5.1113e-05 deg
peri 336.7215814361524 5.5491e-05 deg
M 187.0053208874726 2.5446e-05 deg
tp 2459880.018138460909
(2022-Oct-27.51813846)		 0.00010339 TDB
period 1414.06967602053
3.87		 1.32e-05
3.614e-08		 d
yr
n .2545843434059847 2.3764e-09 deg/d
Q 2.846508594140032 1.7714e-08 au
   Orbit Determination Parameters
   # obs. used (total)      400  
   data-arc span      7471 days (20.45 yr)  
   first obs. used      1999-09-07  
   last obs. used      2020-02-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54197  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 19:56:26  

Additional Information
 Earth MOID = 1.07612 au 
 Jupiter MOID = 2.54231 au 
 T_jup = 3.461 
[ show covariance matrix ]

[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.96   n/a E2021B55  

102144 (1999 RA188)          Discovered 1999-Sep-09 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

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Alternate Designations
 1999 RA188 = 2003 SR129 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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